Polycom VVX Expansion Module
An optimal solution for telephone attendants, and other "power users" who manage multiple simultaneous telephone calls on a daily basis.
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PRODUCT FEATURES

The VVX Expansion Module's simple user interface and advanced call handling capabilities and help boost telephone attendant productivity
Give your busy telephone attendants, receptionists, administrative assistants and secretaries the ability to handle high volumes of concurrent incoming calls with ease.
Easy to install and End User configurable (Instant setup through Web configuration utility or traditional provisioning methods through host phone)
Leverage previous IT infrastructure investments and providing expandability.
Expandable with "plug-and-play" modules that requires no set-up - power and signaling are provided by the host VVX phone
40 illuminated bi-color LED keys programmable line keys
Daisy-chainable for a total of 120 contacts (3 x 40)
2 x AUX ports (SPI) for connectivity and power propagation from the host
Expandability up to 3 modules
Legacy PoE support: Up to 3 modules powered by host phone (VVX 300/400/500/600)